baber/WOPTO huggingface dataset:
Patent KR-20030021855-A (KR)
Title: Data output circuit capable of controlling the output time of external output data signal in semiconductor memory device according to variations of external power supply voltage
Inventor: KIM DU YEONG
IPC: G11C7/10
Filed: 2001-09-08
Abstract: PURPOSE: A data output circuit of semiconductor memory device capable of adjusting output timing of an external output data signal according to variation of external power supply voltage is provided, which is capable of adjusting an output point of time of an external output data according to variation of an external power supply voltage. CONSTITUTION: A synchronization part(220) synchronizes an internal output data signal and an inverted version of the internal output data signal to a clock signal and outputs the first to fourth internal output data signals. The first delay part(250) generates the first delay control signal for controlling a delay of the third internal output data signal in response to the first internal output data signal and variation of an external power supply voltage. The second delay part(270) generates the second delay control signal for controlling delay of the fourth internal output data signal in response to the second internal output data signal and the variation of an external power supply voltage. A latch part(230) latches the third and fourth internal output data signals and outputs the fifth and sixth internal output data signals. A driver part(240) outputs an external output data signal in response to the fifth and sixth internal output data signals.
Patent KR-20030025676-A (KR)
Title: Potable Oxygen Generator
Inventor: KIM HUI JIN
IPC: F25J3/00
Filed: 2001-09-22
Abstract: PURPOSE: A portable oxygen generating apparatus is provided, which is easy to use and carry because of the compact size thereof and despite the small size, supplies the oxygen in a sufficient concentration. CONSTITUTION: The portable oxygen generating apparatus comprises the small casing of an appropriate size to carry, a power supply terminal(2), a air pump(3) to compress an air, a cooler(6) to reduce the temperature of the compressed air and a gas separation membrane module(11) to generate oxygen from the cooled air input from the cooler. A gas separation membrane is housed in the fold-type or the twist type in the gas separation membrane module.
Patent KR-20030028666-A (KR)
Title: A method of hydrotalcite by polyhydric alcohol and polyhydric alcohol ester or metallic substituent and the hydrotalcite made of thereof
Inventor: CHO HYEON DEOK
IPC: C01F7/12
Filed: 2001-09-25
Abstract: PURPOSE: Provided is a preparation method of hydrotalcites with improved halogen-selective capture and heat-resistance and lubrication by coating the surfaces of hydrotalcites with polyhydric alcohol and polyhydric alcohol esters(or metal substituents). CONSTITUTION: The preparation method of hydrotalcites comprises the steps of: mixing 1.4L of Mg(OH)2 and 0.7L of water in a high pressured reactor(3L) to get a slurry; adding 0.48mole of NaHCO3 and stirring for 30min; adding 0.35mole of Al(OH)3 and reacting under pressure of 100psi for 1.5hrs; adding 5% of polyhydric alcohols and reacting at 175deg.C for 30min; and optionally adding 0.5mole of aliphatic acids and aliphatic acid salts, wherein the aliphatic acids are C1-C22 saturated or unsaturated aliphatic acids. The prepared hydrotalcites have Na/Al ranging from 0.1-3, and contain 0.1-20wt.% of polyhydric alcohol and polyhydric alcohol esters(or metal substituents).
Patent KR-20020038503-A (KR)
Inventor: TAJIMA HIDEHARU
IPC: G11B7/2542
Filed: 2001-11-14
Abstract: PURPOSE: To provide an optical information recording medium which can be prevented from deformation (bending) caused by the change in environmental relative humidity and is also easily manufactured. CONSTITUTION: This optical information recording medium has a transparent substrate, a thin film layer formed on the transparent substrate and a thin film protective film which is formed on the thin film layer and made primarily of resin, the thin film layer is a single-layer film or a multilayer film composed of at least one layer among a dielectric film, a recording film and a reflection film, and a humidity expansion coefficient (the expansion rate (1%) of the thin film protective film at the time when relative humidity difference goes up by 1%) is larger than the humidity expansion coefficient of the transparent substrate and is smaller than 1.7x10-4 (1/%).
Patent KR-20030041739-A (KR)
Title: Method of a waterway
Inventor: BAE SOUN SOUN
IPC: E02B5/02
Filed: 2001-11-21
Abstract: PURPOSE: A method for making a waterway is provided to maintain an ecological environment in the waterway by arranging a hot melt core at both side walls or bottom of the waterway. CONSTITUTION: A method comprises a step(110) of fabricating an iron frame for formation of a waterway; a step(120) of coupling a hot melt core to the side walls of the iron frame in such a manner that an aquatic organism habitat space and a plurality of holes are formed at the inner side wall of the waterway; a step(130) of fabricating a form to the iron frame where the hot melt core is coupled; a step(140) of placing concrete mortar to the iron frame; a step(150) of curing the resultant structure until the concrete mortar is hardened; a step(160) of removing the form after completion of the curing process; a step(170) of heating the waterway at the temperature of 70 to 100 Deg.C such that the hot melt core is molten; and a step(180) of removing the molten core.
Patent KR-20030042534-A (KR)
Inventor: CHOI NYEON MOOK
IPC: H01L21/324
Filed: 2001-11-23
Abstract: PURPOSE: A heat treatment chamber is provided to partially prevent outside air from flowing into the chamber by recycling the exhaust gas flowed from the chamber to the outside using an inner duct. CONSTITUTION: A heat treatment chamber is provided with a plurality of chambers located from the first chamber(20) through the other chambers to the last chamber(22) with parallel, wherein the chambers are connected with an inner duct(24), respectively. A pre-drying chamber(26) is connected through the first chamber(20) and an outer air blocking chamber(28) is connected through the last chamber(22). At the time, one side of the inner duct(24) is connected through an exhaust duct(30) and the other side is connected to the pre-drying chamber(26) and the outer air blocking chamber(28) for partially recycling the exhaust gas exhausted from each chamber to the outside.
Patent KR-20030042921-A (KR)
Title: Automobile Fuel Filler Door Structure
Inventor: KIM TAE YONG
IPC: B60K15/04
Filed: 2001-11-26
Abstract: PURPOSE: A door structure for a fuel inlet of a vehicle is provided to prevent torsion of a pillar door by not deforming the pillar door and a hinge though a position of a popup spring is changed. CONSTITUTION: A door structure for a fuel inlet(10) of a vehicle has a spring member(24) on an end(20a) of a pillar door(20). Therein, the spring member has elastic compressive force to move the pillar door freely when a hanging portion(22) of the pillar door is unlocked from a locking device(13) of the fuel inlet. Coating(24a) is installed to a contacting portion of the spring member and a vehicle body(10a). Therein, the vehicle body is not damaged with the spring member because of coating. Therefore, the spring member supplies moving force to move the pillar door and absorbs shock when the pillar door is closed.
Patent KR-20030043151-A (KR)
Title: A shock absorber for combustion chamber of gas turbine
Inventor: CHOI YEONG OK
IPC: F02C7/045
Filed: 2001-11-27
Abstract: PURPOSE: A shock absorber is provided to protect a system by effectively absorbing the high pulsation and low pulsation generated during combustion through the use of shock absorbing cylinders. CONSTITUTION: A shock absorber(1) comprises a plurality of shock absorbing cylinders(10) mounted on a centering plate(7) in a housing; a plurality of ducts(25) mounted to the shock absorbing cylinder and communicated to the lower space of the centering plate; the first casing(12) mounted on the ducts; and a disk arranged in the first casing and supported by a spring(55), wherein the disk opens/shuts the ducts. The disk opens the ducts by the high pulsation and low pulsation generated from the combustion chamber arranged underneath the centering plate, and the spring connected to the disk absorbs shocks caused due to the high pulsation and low pulsation.
Patent KR-20030046004-A (KR)
Title: Manufacturing method of woven fabrics containing jade
Inventor: KIM SUNG JOO
IPC: D06M11/00
Filed: 2001-12-03
Abstract: PURPOSE: A manufacturing method of textile containing jade is characterized by adhering firmly jade powder between warp and weft, having simple process and reducing loss of the jade powder on washing. CONSTITUTION: The manufacturing method of the textile containing the jade comprises the steps of: mixing 0.02l of hydrogen peroxide per 1l of water having 40deg.C to manufacture a mixed solution; putting the textile into the solution, followed by washing for 30min; putting 100g of the jade powder per 1kg of the textile into 50deg.C of water, followed by mixing for 40min; putting the textile mixed with the jade powder into a solution mixed 0.05g of caustic soda per 1l of water, followed by stirring for 40min to rinse; and then heated-air drying the rinsed textile at 180deg.C for 40min.
Patent KR-20020044100-A (KR)
Inventor: IWASAKI MASAYUKI
IPC: B41M5/40
Filed: 2001-12-04
Abstract: PURPOSE: Provided is a thermal recording material which, in particular, has the advantages of high sensitivity, high-density color image formation thereon, good resistance to plasticizers, good resistance to ink for inkjet systems, good traveling in processing and printing systems, good handleability (resistance to rubbing), and good printability. CONSTITUTION: The thermal recording material comprises a support, and a thermal color forming layer and a protective layer formed in that order on the support, wherein the thermal color forming layer contains an electron-donating leuco-dye and an electron-receiving compound, and the protective layer contains inorganic pigment and at least one of amide-denatured polyvinyl alcohol and diacetone-denatured polyvinyl alcohol.
Patent KR-20030046228-A (KR)
Inventor: KIM SE YEONG
IPC: F25B1/00
Filed: 2001-12-05
Abstract: PURPOSE: A refrigerator is provided to achieve improved operating efficiency by adjusting volume of the heat radiation of the refrigerant in accordance with the condensation temperature of the refrigerant. CONSTITUTION: A refrigerator comprises a main body(11) having a freezing compartment(13) and a refrigerating compartment(15) with open front sides and a machine compartment(17) with an open rear side; a compressor(21) disposed in the machine compartment and which compresses refrigerant; a wire condenser(23) disposed in the machine compartment and which radiates heat from the refrigerant compressed by the compressor; a hot line(19) having an inlet side communicated to the outlet side of the wire condenser and which is buried along the front openings of the freezing compartment and the refrigerating compartment; a back condenser(27) having an inlet side branched off from the outlet side of the wire condenser and disposed in the rear wall of the main body; an evaporator(31) disposed in the rear area of the freezing compartment and which receives the refrigerant passed through the freezing compartment hot line and the back condenser and performs a cooling operation; an expansion unit communicated to the inlet side of the evaporator; a condensed refrigerant temperature sensor(37) for detecting temperature of the condensed refrigerant in the upstream of the expansion unit with respect to the refrigerant flow direction; a valve(33) disposed in the outlet side of the wire condenser, which permits the refrigerant passed through the wire condenser to flow to the hot line or the back condenser; and a control unit(35) for controlling the valve in accordance with the result of the detection of the condensed refrigerant temperature sensor.
Patent KR-20020003336-A (KR)
Title: DVD omitted
Inventor: KIM SUNG MIN
IPC: G06F17/00
Filed: 2001-12-06
Abstract: PURPOSE: A method for controlling interactive information transmission and advertisement is provided to supply the information using a DVD to a client of a chain store through the Internet. CONSTITUTION: A system for providing advertisement service using an Internet DVD comprises a DVD service server(1), an Internet homepage(2), and a chain store(3). The DVD service server(1) collects and analyzes information received from each chain store(3), services a web site production according to choice of the chain store in opening the chain store, and is in charge of the newest data of a DVD title. The Internet homepage(2) receives all sorts of information such as a movie, a music, an image, and an animation provided from the DVD service server(1), registers them to each frame of the homepage, and notifies a customized service about an interior and a purchase and installation of an equipment, an advertisement related to a DVD operation, and information about a usage of mileage and coupon system. The chain store(3) controls each room within the chain store, constructs a network itself, and provides an Internet service to the constructed network. An inner chain store is constructed with a hub managing each room and a client of each room connecting the hub to each room and controlling it.
Patent KR-20030049225-A (KR)
Title: variation system of steer property for automotive vehicles
Inventor: LEE DONG UK
IPC: B60G17/00
Filed: 2001-12-14
Abstract: PURPOSE: A modifying apparatus of turning property for a vehicle is provided to improve steering stability and convenience by variably adjusting the turning property of rear wheels according to vehicle speed with lateral force. CONSTITUTION: A turning property modifying device is composed of front and rear actuators(18,20) varying front and rear mounting parts(14,16) of a rear suspension to a leaf spring(12); a front transfer pipe(22) permitting interchange of hydraulic pressure between left and right front actuators; a rear transfer pipe(24) interchanging hydraulic pressure between left and right rear actuators; a control valve installed in front and rear transfer pipes to regulate interchange of hydraulic pressure; and a control unit(28) controlling the operation of the control valve according to vehicle speed and steering direction. Steering stability is improved by oversteering at low speed range and understeering at high speed range with lateral force operating opposite to centrifugal force of the vehicle between the tire and the tread in cornering.
Patent KR-20030049480-A (KR)
Title: Semiconductor memory device having mesh-type structure of precharge voltage line
Inventor: CHOI JANG SEOK
IPC: G11C7/12
Filed: 2001-12-15
Abstract: PURPOSE: A semiconductor memory device with a precharge voltage line of a mesh structure is provided to enhance the efficiency of a test by supplying precharge voltages of two or more different levels at a test mode. CONSTITUTION: A semiconductor memory device includes a plurality of memory cell arrays, a plurality of bit line precharge circuit portions, and a plurality of precharge voltage lines. The memory cell arrays include a plurality of memory cells and a plurality of bit line couples connected to the memory cells, respectively. The memory cell arrays are arranged in matrix. The bit line precharge circuit portions precharge and equalize the bit line couples of the corresponding memory cell array by using the predetermined precharge voltage. The precharge voltage lines are arranged in a shape of mesh at each region between the memory cells arrays. The precharge voltage lines are used for supplying the same precharge voltage to the bit line precharge circuit portions at a normal mode and the precharge voltages of different levels to the bit line precharge circuit portions at a test mode.
Patent KR-20030050751-A (KR)
Title: System of display for formatting data of data broadcasting and the method
Inventor: JOA DEOK JIN
IPC: H04N7/08
Filed: 2001-12-19
Abstract: PURPOSE: An apparatus and a method for displaying data broadcasting formatting information are provided to notify the formatting information to a viewer in advance, thereby selectively watching the data broadcasting. CONSTITUTION: A tuner unit(201) receives digital broadcasting of a tuned channel. A data capture unit(202) identifies and extracts data broadcasting signals from the digital broadcasting signals received from the tuner unit. A presentation engine(203) analyzes information of the data broadcasting signals extracted from the data capture unit. A formatter(204) extracts only formatting information from the data information analyzed at the presentation engine. A data reconstructing unit(205) reorganizes the data analyzed at the presentation engine. A java engine(206) realizes the reorganized data on a screen.
Patent KR-20030050914-A (KR)
Title: Liquid crystal display device having floating preventing body of light-guiding plate
Inventor: KIM BYEONG GU
IPC: G02F1/1335
Filed: 2001-12-19
Abstract: PURPOSE: A liquid crystal display having a structure of preventing moving of a light guide plate is provided to prevent the light guide plate from moving by using a material with high frictional force. CONSTITUTION: A liquid crystal display(200) includes a liquid crystal display panel(201), a light source for illuminating the liquid crystal display panel, a light guide plate(204) for guiding light emitted from the light source to the liquid crystal display panel, a main frame(206) surrounding the sides and bottom face of the light guide plate, and a light guide plate moving prevention structure(209) for preventing the light guide plate from moving. The structure is placed between the light guide plate and the main frame. The structure is made of a material having a predetermined frictional force such as silicon pad.
Patent KR-20030051952-A (KR)
Title: Method for frequency resource assignment of mobile communication system
Inventor: CHA HWA JUN
IPC: H04B7/26
Filed: 2001-12-20
Abstract: PURPOSE: A method for performing an FA(Frequency Assignment) in a mobile communication system is provided to set threshold values of spare resources, respectively, in consideration of the spare resources of 2G(Generation) FA and the spare resources of 3G FA, thereby performing FA for other generation when spare resources do not exist. CONSTITUTION: When a system recognizes receiving/originating calls(S201), the system confirms whether the receiving/originating calls are for 2G or 3G FA(S202). If for the 2G FA, the system compares a spare resource of the 2G FA with a set threshold value(S203). If the spare resource is more than the threshold value, the system performs the 2G FA(S204). If the spare resource is less than the threshold value, the system checks whether the 3G FA is capable(S205). If the 3G FA is more than N times than the spare resource of the 2G FA, the system assigns a spare resource to the 3G FA(S210). If the 3G FA is less than N times, the system performs FA having more spare resources(S206).
Patent KR-20030051077-A (KR)
Inventor: CHOI JAE MIN
IPC: H04B7/155
Filed: 2001-12-20
Abstract: PURPOSE: A circuit for isolating a slave board is provided to accurately isolate the slave board or release the isolated state of the slave board by delaying a reset signal during a certain time and inputting the delayed reset signal. CONSTITUTION: A clock signal generator(31) generates a clock signal. A counter(32) is composed in a PLD(Programmable Logic Device)(30A) of a slave board(30). The counter(32) counts the clock signal of the clock signal generator(31) by a predetermined number, and then transmits a reset signal inputted from a master board. The clock signal generator(31) generates the clock signal by an inverter(31A) connected to an input and output terminal of the PLD(30A).
Patent KR-20030055353-A (KR)
Title: Formed coal having superior initial strength
Inventor: CHO JAE EOK
IPC: C10L5/14
Filed: 2001-12-21
Abstract: PURPOSE: Provided is a coal briquette which shows excellent low temperature stability and initial strength, as well as easy handling property, without drying or heating procedure, by using a lignosulfonate solution as binder. CONSTITUTION: The coal briquette comprises a pulverized coal, 1-5 parts by weight(with respect to 100 parts by weight of the pulverized coal) of caustic lime, and 7-15 parts by weight of lignosulfonate solution. The solid content of the lignosulfonate solution is 40-70 wt%. The coal briquette has drop strength of 70% or more, and powder generation of 20% or less, and can be applied for smelting reduction process. The pulverized coal has a moisture content of 6-12%.
Patent KR-20020023843-A (KR)
Inventor: HAN YONG BU
IPC: F17C1/00
Filed: 2001-12-22
Abstract: PURPOSE: A gas container filling apparatus is provided to improve the usability of a gas container and to contribute to the environmental protection and resource saving by reusing the gas container. CONSTITUTION: A gas container filling apparatus comprises an insertion container(20) inserted with a gas container(10) having an elastic band wound on the outer face of a protruded portion to close a communication hole, a valve installed inside the insertion container to communicate a path with the communication hole by opening the path while being pressed down by the protruded portion, and an external gas supply source(50) connected to the valve to supply gas into the gas container when the valve is opened.
Patent KR-20030054800-A (KR)
Title: A Falling Film Enhanced Tube And Manufacturing Method Thereof
Inventor: KIM CHUN DONG
IPC: F28F1/32
Filed: 2001-12-26
Abstract: PURPOSE: A falling film enhanced tube and manufacturing method thereof are provided to improve heat and material transfer performance on an inside and an outside of the heat transfer pipe. CONSTITUTION: Bellows(40) are formed on an inside and an outside of a heat transfer pipe(100), and fins(50) are integrally formed on the outside of the heat transfer pipe along the bellows to increase heat transfer area of the inside and the outside of the heat transfer pipe so as to improve heat exchange performance between refrigerant and cold water. The bellows are spirally formed in axial direction to promote turbulence of flowing cold water. Pitch of the bellows is 12mm-14mm, and depth is 0.35mm-0.45mm. The fins are formed to increase heat transfer area, and to improve heat exchange performance between refrigerant contacting with the outside of the heat transfer pipe to form water trickle liquid film and cold water flowing in the heat transfer pipe. Pinch of the fins is 0.4mm-0.5mm, depth is 0.01mm-0.1mm, and angle is 70 deg.-75deg. to the axial direction. The heat transfer pipe is formed with copper alloy, and processed by rolling to form the bellows and the fins.
Patent KR-20030055598-A (KR)
Inventor: KIM YEONG SEON
IPC: B60K15/067
Filed: 2001-12-27
Abstract: PURPOSE: A mounting structure of a strap for a fuel tank of a truck is provided to prevent the fuel tank from moving and to the strap from damaging partially by transmitting tight force of the strap to the fuel tank. CONSTITUTION: A corner portion(11) of a fuel tank(10) is round. A first strap(20) covers a lower portion of the fuel tank from a support bracket. A second strap(30) covers an upper portion of the fuel tank from a main body of a truck. A combining device is formed to ends of first and second straps to be bolted. Therein, first and second straps are combined tightly by contacting the fuel tank in a surface. The combining device has first and second combining portions(21,31) by folding an end of each strap. Therein, first and second straps are combined each other by inserting a combining bolt(40) through a bolt hole of a combining rod(22,32) when each combining portion is faced. A rectangular bolt combining hole(24,34) is formed to the combining portion of first and second combining portions to pass the combining bolt. Therefore, a movement of the fuel tank and partial damage of the strap are prevented by contacting each strap to upper and side surfaces of the fuel tank.